IT977748B - Valvola di ritegno - Google Patents

Valvola di ritegno

Info

Publication number
IT977748B
IT977748B IT6728273A IT6728273A IT977748B IT 977748 B IT977748 B IT 977748B IT 6728273 A IT6728273 A IT 6728273A IT 6728273 A IT6728273 A IT 6728273A IT 977748 B IT977748 B IT 977748B
Authority
IT
Italy
Prior art keywords
check valve
check
valve
Prior art date
Application number
IT6728273A
Other languages
English (en)
Italian (it)
Original Assignee
British Steam Spec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Steam Spec filed Critical British Steam Spec
Application granted granted Critical
Publication of IT977748B publication Critical patent/IT977748B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
IT6728273A 1972-02-09 1973-02-08 Valvola di ritegno IT977748B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB612072A GB1357249A (en) 1972-02-09 1972-02-09 Non-return valves for fluids

Publications (1)

Publication Number Publication Date
IT977748B true IT977748B (it) 1974-09-20

Family

ID=9808768

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6728273A IT977748B (it) 1972-02-09 1973-02-08 Valvola di ritegno

Country Status (6)

Country Link
JP (2) JPS4892921A (fr)
CH (1) CH558491A (fr)
DE (1) DE2306293A1 (fr)
FR (1) FR2171298B1 (fr)
GB (1) GB1357249A (fr)
IT (1) IT977748B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO151123C (no) * 1975-11-06 1985-02-13 Kamyr Inc Fremgangsmaate til fremstilling av en homogen cullulosemasse
US4191211A (en) * 1978-09-15 1980-03-04 The British Steam Specialties Limited Valve member for a non-return valve
CH665695A5 (de) * 1984-02-09 1988-05-31 Lasso Technik Ag Ventilsitz fuer ein ventil zur verhinderung des rueckflusses von fluessigen und gasfoermigen medien.
GB9618414D0 (en) * 1996-09-04 1996-10-16 Imi Norgren Ltd Improvements relating to compressed air lubricators
US7793656B2 (en) 2002-06-03 2010-09-14 Lifetime Products, Inc. Underwater breathing devices and methods
US8011363B2 (en) 2002-06-03 2011-09-06 Mark Johnson Exhalation valve for use in a breathing device
US7823585B2 (en) 2004-10-08 2010-11-02 Mark Johnson Snorkel clip
US8297318B2 (en) * 2005-05-21 2012-10-30 Mark Johnson Check valve
WO2008103768A2 (fr) 2007-02-20 2008-08-28 Johnson Mark R Clapet d'expiration pour une utilisation dans un dispositif respiratoire de plongée
CN106510485B (zh) * 2016-11-10 2023-06-06 珠海格力电器股份有限公司 水箱盖、水箱组件和电饭煲
US11260726B2 (en) 2018-04-12 2022-03-01 Illinois Tool Works Inc. Gravity independent pressure relief valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1157927A (en) * 1966-07-18 1969-07-09 Bert Nils Svenson Check Valve with Supported Closure Member

Also Published As

Publication number Publication date
JPS53117640U (fr) 1978-09-19
FR2171298B1 (fr) 1978-09-08
GB1357249A (en) 1974-06-19
JPS4892921A (fr) 1973-12-01
FR2171298A1 (fr) 1973-09-21
DE2306293A1 (de) 1973-08-16
CH558491A (de) 1975-01-31

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